1 The lac operon consists of three structural genes, and a promoter, a terminator, regulator, and an operator. 2  The three structural genes are: lacZ, lacY, and lacA.n this case, when lactose is required as a sugar source for the bacterium, the three genes of the lac operon can be expressed and their subsequent proteins translated: lacZ, lacY, and lacA.
NEC Corporation (æ¥æ¬é»æ°æ ªå¼ä¼ç¤¾, Nippon Denki Kabushiki Gaisha) is a Japanese multinational provider of information technology (IT) services and products, headquartered in Minato, Tokyo, Japan.
The cable system, called FASTER, will be supplied by the Japanese vendor NEC and designed to deliver speeds of 60 terabytes per second â âabout ten million times faster than your cable modem,â Urs HÃ¶lze, Googleâs senior vice president of technical infrastructure, wrote on his Google+ page.